I've stuck my toe into the world of the PI for music streaming, and it was painless.
I was using a squeezebox Touch, now migrated to the living room, with a NAP160 and a pair of Rega Kytes (nice!). I replaced it with a Pi3, a HIFIBerry Digi+ feeding a Dactilus 2 DAC. It was simple to download and flash piCorePlayer on to an 8Gb SD Card, set up wifi, point the piCorePlayer at the Digi+ board and I have a great streamer for stored music (on a Synology NAS) and Spotify. Seriously impressed and sounds pretty good to boot.
Just need to sort a non-steel case out for the Pi and the Digi+ now.
Thank you to all on the thread for inspiring me to setting this up.